Luckily, [Keriad] has a Mac Quadra 800 with just such a chip that is still fully-functional. DOOM was developed with the NeXTSTEP operating system which can run on old Macs thanks to another tool ...

There were 12 Macintosh Quadra 900s, complete with a floppy-disk, monitor, and an incredible 256 megabytes of RAM. State of the **** art! Straight out of Penn State, minus a stint designing crappy ...